Mechanical Engineering MCQs

91. What is the primary purpose of a cooling tower?
A. To dissipate heat
B. To generate electricity
C. To store water
D. To control pressure
92. Which of the following is a type of mechanical design?
A. Machine design
B. Structural design
C. Product design
D. All of the above
93. What is the primary function of a connecting rod in an engine?
A. To connect piston to crankshaft
B. To regulate fuel flow
C. To control valve timing
D. To reduce emissions
94. Which of the following is a type of mechanical load?
A. Tensile load
B. Compressive load
C. Shear load
D. All of the above
95. What is the primary purpose of a hydraulic pump?
A. To generate fluid flow
B. To store fluid
C. To reduce pressure
D. To control temperature
96. Which of the following is a type of mechanical power transmission?
A. Gear drive
B. Belt drive
C. Chain drive
D. All of the above
97. What is the primary function of a fuel pump in an engine?
A. To deliver fuel to the engine
B. To ignite the fuel
C. To cool the engine
D. To reduce emissions
98. Which of the following is a type of mechanical stress?
A. Normal stress
B. Shear stress
C. Bending stress
D. All of the above
99. What is the primary purpose of a clutch plate in a manual transmission?
A. To increase speed
B. To reduce friction
C. To transmit power
D. To control temperature
100. Which of the following is a type of mechanical damper?
A. Hydraulic damper
B. Pneumatic damper
C. Friction damper
D. All of the above